13103244 has 144 divisors (see below), whose sum is σ = 42981120. Its totient is φ = 3265920.

The previous prime is 13103239. The next prime is 13103269. The reversal of 13103244 is 44230131.

13103244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80307 + ... + 80469.

It is an arithmetic number, because the mean of its divisors is an integer number (298480).

Almost surely, 2^13103244 is an apocalyptic number.

13103244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13103244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21490560).

13103244 is an abundant number, since it is smaller than the sum of its proper divisors (29877876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13103244 is a wasteful number, since it uses less digits than its factorization.

13103244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13103244 is about 3619.8403279703. The cubic root of 13103244 is about 235.7542927764.

Adding to 13103244 its reverse (44230131), we get a palindrome (57333375).

It can be divided in two parts, 1310 and 3244, that added together give a palindrome (4554).

The spelling of 13103244 in words is "thirteen million, one hundred three thousand, two hundred forty-four".